痕量阴离子
|
chloride (Cl-): ≤0.05%
|
痕量阴离子
|
sulfate (SO42-): ≤0.05%
|
痕量阳离子
|
Al: ≤0.0005%
|
痕量阳离子
|
Ca: ≤0.0005%
|
痕量阳离子
|
Cu: ≤0.0005%
|
痕量阳离子
|
Fe: ≤0.0005%
|
痕量阳离子
|
K: ≤0.005%
|
痕量阳离子
|
Mg: ≤0.0005%
|
痕量阳离子
|
NH4+: ≤0.05%
|
痕量阳离子
|
Na: ≤0.005%
|
痕量阳离子
|
Pb: ≤0.001%
|
痕量阳离子
|
Zn: ≤0.0005%
|
燃烧残渣
|
≤0.1%
|
杂质
|
≤0.005% Phosphorus (P)
|
杂质
|
≤0.1% Insoluble matter
|
pH范围
|
9.7 - 11.1
|
纯度
|
≥98.0% NaOH basis (titration)
|
紫外吸收波长
|
A0.5M/260, H2O ≤0.2
|
紫外吸收波长
|
A0.5M/280, H2O ≤0.2
|
pKa
|
10.4
|
熔点
|
>300 °C(lit.)
|
pH值
|
3.0-7.0 (20 °C, 0.5 M in H2O)
|
溶解度
|
H2O: soluble0.5 M at 20 °C, clear, colorless
|
GHS危险品标识
|
|
GHS警示词
|
Warning
|
GHS危险声明
|
H302
|
个人保护装置
|
Eyeshields, Faceshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
|
RTECS编号
|
TZ6395000
|
德国WGK号
|
3
|